The members of the drama club sold a total of 840 adult and student tickets to their spring play. the number of adult tickets they sold was 120 less than twice the number of student tickets sold. how many of each type of ticket did the drama club sell?

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables